The phrase "further indulge" is correct and can be used in written English.
It means to continue or increase indulging in a certain behavior or activity. Example: "Despite knowing the consequences, she couldn't resist further indulging in her love for chocolate."
Or am I just further indulging my digital hoarder tendencies?
If Congress further indulges the banks by approving these bills, the effort to reform derivatives, which is central to overall financial reform, will be turned into a farce.
(I further indulged my faux-bois passion by adding to a group of Grandjean-Jourdan ceramics from Vallauris, guiltily surfing eBay in the middle of the night).
He further indulged his passion for molding chocolate as the owner of Chocolates by Hanni, a candy shop in Farmingdale named for his wife.
As Taylor read more papers, further indulging his interest, he acquired more and more technical knowledge.
"We pride ourselves on providing a safe, secure platform that will always work when our users need it the most," she added, further indulging the schadenfreude.
The exchange is not money for a transformation but money for further indulging this fantasy.
Some said marriage obliged him to turn over a new leaf, others that he needed to travel further afield to indulge his erotic tastes.
Instead of indulging further wanderlust, he buckled down and spent three years writing his book.
Their 2nd-century spokesmen had to dispel the belief, often recorded, that they practiced magic involving cannibalism; further, that they indulged in sex orgies, incestuous to boot; and, the most common accusation of all, that they were atheists people who denied the existence of the gods and rejected accepted cults.
Indulge even further at Johann Lafer at The Gainsborough.
